Hardware

TLC5940

TLC5940·Texas Instruments·HTSSOP-28

TI 16-channel constant-current LED driver, HTSSOP-28. 12-bit PWM + 6-bit dot correction, daisy-chainable. Datasheet-verified.

TCA9548A

TCA9548A·Texas Instruments·TSSOP-24

TI 8-channel bidirectional I2C switch, TSSOP-24. Fans one bus to 8, 3 address pins, reset. Datasheet-verified.

SN65HVD230

SN65HVD230·Texas Instruments·SOIC-8

TI 3.3 V CAN transceiver, SOIC-8. ISO 11898-2, up to 1 Mbps, standby mode. Datasheet-verified.

SI2301

SI2301·YONGYUTAI·SOT-23

YONGYUTAI MOSFETs, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.

RP2040

RP2040·Raspberry Pi·QFN-56

Raspberry Pi dual-core Arm Cortex-M0+ MCU, QFN-56. 133 MHz, 264 KB SRAM, PIO, 30 GPIO, USB. The Pico chip. Datasheet-verified.

PIC16F877A

PIC16F877A·Microchip Technology·PDIP-40

Microchip 8-bit PIC MCU, 40-pin DIP. 14 KB flash, 368 B RAM, 20 MHz, 33 I/O, 8-ch 10-bit ADC. Datasheet-verified.

PCM5102A

PCM5102A·Texas Instruments·TSSOP-20

TI stereo I2S audio DAC, TSSOP-20. 32-bit/384 kHz, on-chip charge pump + PLL, no MCLK needed. Datasheet-verified.

PCF8574

PCF8574·Texas Instruments·SOIC-16

TI remote 8-bit I2C I/O expander, SOIC-16. Eight quasi-bidirectional lines, 3 address pins, open-drain INT. Datasheet-verified.

PCA9685

PCA9685·NXP Semiconductors·TSSOP-28

NXP 16-channel 12-bit PWM controller, TSSOP-28. I2C, per-channel duty + phase, the servo-driver chip. Datasheet-verified.

NE555P

NE555P·Texas Instruments·DIP-8

Texas Instruments Timers / Counters, DIP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.

MCP3008

MCP3008·Microchip Technology·SOIC-16

Microchip 8-channel 10-bit SPI ADC, SOIC-16. 200 ksps, single-ended or differential. The Raspberry Pi ADC. Datasheet-verified.

MPU-6050

MPU-6050·InvenSense (TDK)·QFN-24 (4x4 mm)

InvenSense 6-axis IMU, QFN-24. 3-axis gyro + 3-axis accel + DMP, I2C, VDD 2.4-3.46 V. Datasheet-verified.

MCP2515

MCP2515·Microchip Technology·SOIC-18

Microchip stand-alone CAN 2.0B controller with SPI, SOIC-18. 1 Mb/s, 3 TX + 2 RX buffers, 6 filters. Datasheet-verified.

MCP23017

MCP23017·Microchip Technology·SOIC-28

Microchip 16-bit I2C I/O expander, SOIC-28. Two 8-bit ports, interrupts, configurable pull-ups, 3 address pins. Datasheet-verified.

MAX232

MAX232·Texas Instruments·SOIC-16

TI dual RS-232 driver/receiver, SOIC-16. Charge-pump generates +/- line levels from single 5 V. Datasheet-verified.

MAX7219

MAX7219·Analog Devices·SOIC-24W

Analog Devices (Maxim) serial 8-digit LED display driver, SOIC-24W. SPI-compatible, drives 64 LEDs or eight 7-segment digits, one resistor sets segment current. Datasheet-verified.

LM386

LM386·Texas Instruments·PDIP-8

TI mono low-voltage audio power amp, DIP-8. Gain 20-200, drives 8 ohm, 4-12 V. Datasheet-verified.

LM358

LM358·Texas Instruments·SOIC-8

TI dual op-amp, SOIC-8. 3-30 V single/split supply, 0.7-1.2 MHz GBW, input range includes ground. Datasheet-verified.

LM324

LM324·Texas Instruments·SOIC-14

TI quad general-purpose op-amp, SOIC-14. Single-supply 3-32 V, low power. The quad LM358. Datasheet-verified.

INA219

INA219·Texas Instruments·SOIC-8

TI zero-drift bidirectional current/power monitor, SOIC-8. I2C, 0-26 V bus, reports V/I/power. Datasheet-verified.

ICM-20948

ICM-20948·TDK InvenSense·QFN-24(3x3)

TDK InvenSense Accelerometers, QFN-24(3x3). Datasheet-verified pinout, KiCad symbol/footprint/3D.

DS18B20

DS18B20·Analog Devices·TO-92

Analog Devices 1-Wire digital thermometer, TO-92. -55 to +125 C, 9-12 bit, unique 64-bit ID, parasite power. Datasheet-verified.

DRV8833

DRV8833·Texas Instruments·HTSSOP-16 (PowerPAD)

TI dual H-bridge motor driver, HTSSOP-16. 2 DC motors or 1 stepper, 1.5 A/ch, 2.7-10.8 V. Datasheet-verified.

CP2102

CP2102·Silicon Labs·QFN-28

Silicon Labs single-chip USB-to-UART bridge, QFN-28. Integrated USB, regulator, clock, EEPROM. Up to 1 Mbps. Datasheet-verified.

FT232RL

FT232RL·FTDI·SSOP-28

FTDI USB-to-UART bridge, SSOP-28. USB 2.0 full-speed, 300 baud-3 Mbaud, integrated clock + EEPROM. Datasheet-verified.

DS3231

DS3231·Analog Devices·SOIC-16W (300-mil)

Analog Devices I2C real-time clock with TCXO, SOIC-16W. ±2 ppm, battery backup, dual alarms, 32 kHz out. Datasheet-verified.

CH340G

CH340G·WCH Jiangsu Qin Heng·SOP-16

WCH Jiangsu Qin Heng USB Converters, SOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.

CD74HC4067

CD74HC4067·Texas Instruments·SOIC-24

TI CMOS 16-channel analog multiplexer/demultiplexer, SOIC-24. 4-bit select, enable, bidirectional. Datasheet-verified.

CD4051B

CD4051B·Texas Instruments·SOIC-16

TI CMOS 8-channel analog multiplexer/demultiplexer, SOIC-16. 3-A/B/C select, INH, VEE for bipolar. Datasheet-verified.

BME280

BME280·Bosch Sensortec·LGA-8

Bosch combined humidity, pressure, and temperature sensor, LGA-8. I2C + SPI, 1.71-3.6 V. Datasheet-verified.

BNO055

BNO055·Bosch Sensortec·LGA-28(3.8x5.2)

Bosch Sensortec Attitude Sensor/Gyroscope, LGA-28(3.8x5.2). Datasheet-verified pinout, KiCad symbol/footprint/3D.

BMA456

BMA456·Bosch Sensortec·LGA-12(2x2)

Bosch Sensortec Attitude Sensor/Gyroscope, LGA-12(2x2). Datasheet-verified pinout, KiCad symbol/footprint/3D.

ATmega328P

ATmega328P·Microchip Technology·PDIP-28

Microchip 8-bit AVR MCU, 28-pin DIP. 32 KB flash, 2 KB SRAM, 20 MHz, the Arduino Uno chip. Datasheet-verified.

smf15ca

hongjiacheng tvs (SOD-123FL). KiCad-official footprint + 3D.

smaj5-0a

MDD（Microdiode Electronics） tvs (DO-214AC). KiCad-official footprint + 3D.

s8050-j3y

TDSEMIC bjt (SOT-23). KiCad-official footprint + 3D.

smf5-0a

hongjiacheng tvs (SOD-123FL). KiCad-official footprint + 3D.

SHT31

SHT31·Sensirion·DFN-8

Sensirion digital I2C humidity + temperature sensor, DFN-8. ±2% RH, ±0.3 C, up to 1 MHz, ALERT + heater. Datasheet-verified.

njm4558

KEXIN Operational Amplifier, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.

mmst3904

hongjiacheng bjt (SOT-323). KiCad-official footprint + 3D.

m7

MDD（Microdiode Electronics） rectifier (SMA). KiCad-official footprint + 3D.

l2n7002sllt1g

LRC mosfet (SOT-23). KiCad-official footprint + 3D.

hx61cn3302mr

HX hengjiaxing Supervisor and Reset ICs, SOT-23-3L. Datasheet-verified pinout, KiCad symbol/footprint/3D.

gz1608d601tf

Sunlord ferrite-beads (0603). KiCad-official footprint + 3D.

hcb1005kf-121t20

TAI-TECH ferrite-beads (0402). KiCad-official footprint + 3D.

frc0603f1000ts

FOJAN thick-film (0603). KiCad-official footprint + 3D.

ds18b20-umw

UMW(Youtai Semiconductor Co., Ltd.) temperature (TO-92). KiCad-official footprint + 3D.

bss138w

hongjiacheng mosfet (SOT-323). KiCad-official footprint + 3D.